Definition of river shark
: a shark (such as the bull shark or Ganges shark) that frequents freshwater and especially rivers
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“River shark.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/river%20shark. Accessed 23 May. 2022.
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Time Traveler for river shark
The first known use of river shark was in 1810
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